Mercury Comet Spark Plugs

Narrow By

Category

Brand

Price Range

Recommended Use

Find Mercury Comet spark plugs with built-in capacitors from AutoAnything that materialize bolts of lightning in your classic car's engine. By stocking up energy from your car's coil and releasing it in a two-nanosecond pulsation, our Comet spark plugs put out a more efficient burn in your engine.